== sanity test 101b: check stride-io mode read-ahead =========================================================================== 19:26:51 (1746142011)
striped dir -i1 -c2 -H all_char /mnt/lustre/d101b.sanity

0.844365s, 9.93481MB/s
Read-ahead success for size 8192

0.794647s, 10.5564MB/s
Read-ahead success for size 16384

0.791826s, 10.594MB/s
Read-ahead success for size 32768

0.687355s, 12.2042MB/s
Read-ahead success for size 65536

0.597900s, 14.0301MB/s
Read-ahead success for size 131072

0.630461s, 13.3055MB/s
Read-ahead success for size 262144

0.580655s, 14.4468MB/s
Read-ahead success for size 524288

0.596027s, 14.0742MB/s
Read-ahead success for size 1048576